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Home >> Mitsubishi >> 2014 >> Outlander ES >> Repair and Diagnosis >> Engine Performance >> Ignition System >> On-Vehicle Service >> Spark Plug Test

Spark Plug Test

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  1. Remove the spark plug and connect to the ignition coil.
    Fig 1: Identifying Spark Plug
    G09664783Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  2. Ground the spark plug outer electrode (body), and crank the engine.

    Check that there is an electrical discharge between the electrodes at this time.

    Fig 2: Identifying Spark Plug Insulation (Defective/Good)
    G09664784Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.